Maintenance & Reliability worked example

Corrective Maintenance Cost with repair event basis of 0.5 repair: a worked example

Suppose repair event basis falls to 0.5 repair. This page works the full calculation at that level so you can see exactly which result moves and by how much. Estimate the total cost of an unplanned corrective repair from repair spend, downtime loss, and expediting burden.

The inputs for this scenario

  • Repair event basis: 0.5 repair (the input this scenario stresses; the baseline uses 1)
  • Repair parts and labor cost: 9,200 $ / repair (held at the documented default)
  • Downtime production loss: 18,000 $ (held at the documented default)
  • Expediting and cleanup cost: 2,500 $ (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Base corrective repair cost = repair event basis × repair parts and labor cost.
  • Corrective Maintenance Cost works out to 25,100 $ / repair at these inputs, and this is the headline figure for the scenario.
  • Cost per Repair Basis works out to 50,200 $ / repair at these inputs.
  • Repair Parts and Labor works out to 4,600 $ at these inputs.
  • Downtime and Expediting works out to 20,500 $ at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where repair event basis sits at 1 repair and the headline result is 29,700 $ / repair, this scenario comes in 15.49% below the baseline at 25,100 $ / repair.
  • It sums the parts-and-labor repair cost with downtime production loss and expediting/cleanup cost to give the fully loaded cost of one corrective repair event. When the numbers land here, the stressed input is the lever to work; the walkthrough above shows exactly how much each output recovers as it climbs back toward the baseline.

Results at a glance

  • Corrective Maintenance Cost: 25,100 $ / repair (headline result)
  • Cost per Repair Basis: 50,200 $ / repair
  • Repair Parts and Labor: 4,600 $
  • Downtime and Expediting: 20,500 $

Run it with your numbers

  • To rerun this with your own numbers, open the live Corrective Maintenance Cost calculator, set repair event basis to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.